ABHIJEETH HANUMANDLA
Telecommunications Professional
Holly Springs,North Carolina
Summary
Accomplished Mobility EPC Core Specialist with over 10 years of extensive experience in the telecommunications industry. Expertise in working with SGW, PGW, PCF, PCRF, and DRA in a virtualized and containerized environment. Proven ability to lead and collaborate with teams to support multiple deployments, ensuring seamless integration and optimal performance.
Overview
11
11
years of professional experience
Work History
Lead Consulting Engineer - Customer Delivery
Cisco Systems Inc
4 2021 - Current
- Collaborated with internal and external vendors teams to develop Low-Level Design (LLD) and High-Level Design (HLD), Detailed Test Plan (DTP) documents for Private LTE deployment
- Executed E2E test cases using Spirent Landslide and performed validation, sanity, and connectivity testing during Private LTE deployment
- Installed, configured, deployed and troubleshooted LTE core network NFs (S/P GW , PCRF)
- Executed software upgrades, configuration changes, and managed hardware issues, including raising RMAs
- Led a global team of engineers in the design and implementation of vDRA/PCRF greenfield deployment for a major service provider, as part of CX Professional Services team
- Supervised a nationwide hardware refresh project for CPS DRA, including the migration of deployments from another vendor
- Developed Low-Level Design (LLD) and High-Level Design (HLD) documents, collaborating with various internal and external stakeholders for seamless integration
- Performed configuration, implementation, testing, and troubleshooting of new features on the vDRA
- Assisted in the development and maintenance of project documentation such as Implementation Guides, Engineering Design Packages, Network Design Requirements, and Test Object Lists
- Troubleshot defects on vDRA and PCRF across various diameter VoLTE, EPC end to end call flow scenarios including interfacing with other vendors and engineering teams
- Conducted knowledge transfer sessions for customers, explaining new changes in the network architecture
- Provided guidance in the development of test automation scripts using the ANT framework
- Oversaw performance testing on the vDRA/PCRF node and validated results using the Grafana dashboard
- Identified security vulnerabilities during periodic scans and collaborated with the engineering team to release fixes
- Provided status updates on raised bugs during weekly calls
- Technical exposure: PCRF,S/P GW, DRA, VoLTE, LTE, Ubuntu, VMware ESXi, Docker, 3GPP Diameter Interfaces, Ansible, MongoDB, DsTest, Ixia,Grafana.
Consulting Engineer - Customer Delivery
Cisco Systems Inc
01.2016 - 04.2021
- Performed configuration, implementation, testing, and troubleshooting of new features on the SPGW/PCRF
- Created and maintained project documentation such as Implementation Guides, Engineering Design Packages, Network Design Requirements, and Test Object Lists
- Executed software upgrades, configuration changes, and managed hardware issues on the SPGW/PCRF
- Assisted in developing Low-Level Design (LLD) and High-Level Design (HLD) documents, collaborating with various stakeholders for implementing new features, hardware refresh, and software upgrades
- Troubleshot defects on the SPGW/PCRF across various diameter VoLTE, VoWifi, EPC end to end call flow scenarios including interfacing with other vendors and engineering teams
- Developed test automation scripts using Jenkins automation framework and worked with engineering team to resolve identified bugs during testing
- Performed load testing on the SPGW/PCRF and monitored corresponding Grafana dashboards to validate system stability and robustness
- Assisted in interfacing with customer team for any outages in production environment and worked with engineering team to validate the fix or assist in issue reproduction
- Technical exposure: VoLTE, LTE, Ubuntu, VMware ESXi, 3GPP Diameter Interfaces, GTP Interfaces, Puppet, MongoDB, Jenkins, Grafana, Spirent Landslide.
Associate Network Engineer
Glow Networks Inc
05.2014 - 12.2015
Network Engineer
VK Networks Inc
02.2014 - 05.2014
Intern - Network Consulting Engineer
Glow Networks Inc
09.2013 - 02.2014
Education
Masters in Computer Systems Networking and Telecommunications -
George Mason University
Bachelor of Technology in Electrical and Electronics Engineering - undefined
Jawaharlal Nehru Technological University
Skills
Cloud & Virtual Environments: Kubernetes, Docker, VMware
Protocols: TCP/IP, UDP, SFTP,BGP, HSRP, Diameter,GTP ,HTTP2,NETCONF,RADIUS,DNS
Databases: MongoDB
Scripting & Automation: Shell, Git, Jenkins, Kubernetes, Ansible, Puppet
Tools: Ixia, Spirent, DsTest, Wireshark
Network Elements: SMF, UPF, PCF, SGW, PDN-GW, PCRF,vDRA
Timeline
Consulting Engineer - Customer Delivery
Cisco Systems Inc
01.2016 - 04.2021
Associate Network Engineer
Glow Networks Inc
05.2014 - 12.2015
Network Engineer
VK Networks Inc
02.2014 - 05.2014
Intern - Network Consulting Engineer
Glow Networks Inc
09.2013 - 02.2014
Lead Consulting Engineer - Customer Delivery
Cisco Systems Inc
4 2021 - Current
Masters in Computer Systems Networking and Telecommunications -
George Mason University
Bachelor of Technology in Electrical and Electronics Engineering - undefined
Jawaharlal Nehru Technological University